Re: [PATCH] set_thread_area.2: Add C-SKY document

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On Mon, Oct 16, 2023 at 2:00 AM Alejandro Colomar <alx@xxxxxxxxxx> wrote:
>
> Hi Guo,
>
> On Sun, Oct 15, 2023 at 11:07:32AM -0400, guoren@xxxxxxxxxx wrote:
> > From: Guo Ren <guoren@xxxxxxxxxxxxxxxxx>
> >
> > C-SKY only needs set_thread_area, no need for get_thread_area, the
> > same as MIPS.
> >
> > Signed-off-by: Guo Ren <guoren@xxxxxxxxxxxxxxxxx>
> > Signed-off-by: Guo Ren <guoren@xxxxxxxxxx>
> > ---
>
> Patch applied.
> <https://www.alejandro-colomar.es/src/alx/linux/man-pages/man-pages.git/commit/?h=contrib&id=1c4464ae2c40318b77e125961e24710d1784df5d>
>
> Thanks!
> Alex
>
> >  man2/set_thread_area.2 | 10 +++++-----
> >  1 file changed, 5 insertions(+), 5 deletions(-)
> >
> > diff --git a/man2/set_thread_area.2 b/man2/set_thread_area.2
> > index 02f65e0418f2..c43a92eb447a 100644
> > --- a/man2/set_thread_area.2
> > +++ b/man2/set_thread_area.2
> > @@ -26,7 +26,7 @@ Standard C library
> >  .B "int syscall(SYS_get_thread_area);"
> >  .BI "int syscall(SYS_set_thread_area, unsigned long " tp );
> >  .PP
> > -.B #elif defined __mips__
> > +.B #elif defined(__mips__ || defined __csky__)
>
> I removed the parentheses here.
Oops, thanks.

>
> >  .PP
> >  .BI "int syscall(SYS_set_thread_area, unsigned long " addr );
> >  .PP
> > @@ -42,17 +42,17 @@ These calls provide architecture-specific support for a thread-local storage
> >  implementation.
> >  At the moment,
> >  .BR set_thread_area ()
> > -is available on m68k, MIPS, and x86 (both 32-bit and 64-bit variants);
> > +is available on m68k, MIPS, C-SKY, and x86 (both 32-bit and 64-bit variants);
> >  .BR get_thread_area ()
> >  is available on m68k and x86.
> >  .PP
> > -On m68k and MIPS,
> > +On m68k, MIPS and C-SKY,
> >  .BR set_thread_area ()
> >  allows storing an arbitrary pointer (provided in the
> >  .B tp
> >  argument on m68k and in the
> >  .B addr
> > -argument on MIPS)
> > +argument on MIPS and C-SKY)
> >  in the kernel data structure associated with the calling thread;
> >  this pointer can later be retrieved using
> >  .BR get_thread_area ()
> > @@ -139,7 +139,7 @@ return 0 on success, and \-1 on failure, with
> >  .I errno
> >  set to indicate the error.
> >  .PP
> > -On MIPS and m68k,
> > +On C-SKY, MIPS and m68k,
> >  .BR set_thread_area ()
> >  always returns 0.
> >  On m68k,
> > --
> > 2.36.1
> >
>
> --
> <https://www.alejandro-colomar.es/>



-- 
Best Regards
 Guo Ren




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